Each of these 3 magnetic rings weighs in at 6.4 ounces, meaning you have up to 19.3 ounces of metal to burden your balls with Made of highly durable stainless steel, these ball stretchers will pull down on your scrotum to create a unique sensation that will amplify your sexual experience. The powerful magnetism within each heavy ring allows them to easily open and securely close, but make sure you move all of your skin out of the way to avoid a pinch. Take it slow to find out how much you can handle, starting with one ring and working your way up to all three This distinct set is compatible with all types of lubricant and cleans with mild soap and warm water. Measurements: Each ring has an inner diameter of 1.5 inches and is .6 inches thick. Material: Stainless steel. Color: Grey. Note: Includes 3 magnetic ball stretchers.